/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/Island/IslandGroup.h
A set of constraints that will ne solved in sequence on a single thread. This will usually be the constraints from several islands, but may be a sub set of constraints of a single island when coloring is enabled for that island.
class FPBDIslandConstraintGroupSolver : public [Chaos::Private::FPBDConstraintGroupSolver](API\Runtime\Chaos\Chaos\Evolution\FPBDConstraintGroupSolver)